26 agosto 2014
Astronomers have obtained the best view yet of a collision between two galaxies when the Universe was only half its current age. To make this observation, the team also enlisted the help of a gravitational lens, a galaxy-size magnifying glass, to reveal otherwise invisible detail.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8XKo6QA7iXU/140826141130.htm
